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        <h1 class="page_title">chrome.* APIs</h1>
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          <h2>Contents</h2>
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            <li>
              <a href=#supported>Supported APIs</a>
            </li>
            <li>
              <a href=#experimental>Experimental APIs</a>
            </li>
            <li>
              <a href=#conventions>API conventions</a>
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<p class="doc-family extensions">
Chrome provides APIs such as
<code>chrome.bookmarks</code> and <code>chrome.tab</code>
so that extensions can interact with the browser.
</p>

<h2 id="supported">Supported APIs</h2>

<p>
Here are the supported chrome.* APIs:
</p>

<ul>
  <li><a href="alarms.html">alarms</a></li>
  <li><a href="bookmarks.html">bookmarks</a></li>
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  <li><a href="declarativeWebRequest.html">declarativeWebRequest</a></li>
  <li><a href="devtools.inspectedWindow.html">devtools.inspectedWindow</a></li>
  <li><a href="devtools.network.html">devtools.network</a></li>
  <li><a href="devtools.panels.html">devtools.panels</a></li>
  <li><a href="downloads.html">downloads</a></li>
  <li><a href="events.html">events</a></li>
  <li><a href="extension.html">extension</a></li>
  <li><a href="fileBrowserHandler.html">fileBrowserHandler</a></li>
  <li><a href="fontSettings.html">fontSettings</a></li>
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  <li><a href="i18n.html">i18n</a></li>
  <li><a href="idle.html">idle</a></li>
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  <li><a href="types.html">types</a></li>
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  <li><a href="webRequest.html">webRequest</a></li>
  <li><a href="webstore.html">webstore</a></li>
  <li><a href="windows.html">windows</a></li>
</ul>

<h2 id="experimental">Experimental APIs</h2>

<p>
Chrome also has
<a href="experimental.html">experimental APIs</a>,
some of which will become supported APIs
in future releases of Chrome.
</p>

<h2 id="conventions">API conventions</h2>

<p>
Unless the doc says otherwise,
methods in the chrome.* APIs are <b>asynchronous</b>:
they return immediately,
without waiting for the operation to finish.
If you need to know the outcome of an operation,
then you pass a callback function into the method.
For more information, watch this video:
</p>

<p class="doc-family extensions">
<iframe title="YouTube video player" width="640" height="390" src="http://www.youtube.com/embed/bmxr75CV36A?rel=0" frameborder="0" allowfullscreen></iframe>
</p>
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